Education
1992-1996 Chemical Engineering, Beijing Technology and Business University, B.S.
1997-1999 Chemistry, East Carolina University, M.S.           
1999-2004 Inorganic Chemistry, Northwestern University, Ph.D.
Work Experience
2004-2006 Department of Materials Science and Engineering, Massachusetts Institute of Technology, Post-doctoral
2006-2011 Department of Chemistry, National University of Singapore, Investigator
2011-2016 Department of Chemistry, National University of Singapore, Senior Investigator
2011-2018 Institute of Materials Research and Engineering, Agency for Science, Technology and Research, Senior Investigator
2013-Present  National University of Singapore Suzhou Research Institute, Chief Principal Investigator
2017-Present  Department of Chemistry, National University of Singapore, Principal Investigator        
2017-Present  National University of Singapore Suzhou Research Institute, Chief Principal Investigator
2020-Present  Institute of Materials Research and Engineering, Agency for Science, Technology and Research, Adjunct Principal Scientist

Research Interests
Supermolecular coordination chemistry, catalysis, nanomaterials synthesis and nanostructure patterning, chemical sensors and biosensors, nanophotonics, scanning probe microscopes.

Representative Publications

[1] J. Tan, P. Zhang, X. Song, C. Han*, F. Wang, J. Zhang, C. Duan, Z. Zhang, S. Han*, H. Xu*, X. Liu*. "Electro-generated excitons for tunable lanthanide electroluminescence”. Nature 647, 632–638 (2025).

[2] C. Schiattarella, S. Romano, L. Sirleto, V. Mocella, I. Rendina, V. Lanzio, F. Riminucci, A. Schwartzberg, S. Cabrini, J. Chen, L. Liang, X. Liu*, & G. Zito*. “Directive giant upconversion by supercritical bound states in the continuum“. Nature, 2024, 626(8000), 765-771.

[3] L. Yi, B. Hou, H. Zhao, X. Liu*. “X-ray-to-visible light-field detection through pixelated colour conversion“. Nature, 2023, 618, 281–286.

[4] X. Ou, X. Qin, B. Huang, J. Zan, Q. Wu, Z. Hong, L. Xie, H. Bian, Z. Yi, X. Chen, Y. Wu, X. Song, J. Li, Q. Chen*, H. Yang*, X. Liu*. “High-resolution X-ray luminescence extension imaging”. Nature, 2021, 590, 410–415.

[5] S. Han, R. Deng*, Q. Gu, L. Ni, U. Huynh, J. Zhang, Z. Yi, B. Zhao, H. Tamura, A. Pershin, H. Xu, Z. Huang, S. Ahmad, M. Abdi-Jalebi, A. Sadhanala, M. L. Tang, A. Bakulin, D. Beljonne, X. Liu* & A. Rao*, “Lanthanide-doped inorganic nanoparticles turn molecular triplet excitons bright”, Nature, 2020, 587, 594–599.

[6] Wu, Y., Xu, J., Poh, E. T., Liang, L., Liu, H., Yang, J. K. W., Qiu, C.-W., Vallée, R. A. L., Liu, X. “Upconversion Superburst with Sub-2 μs Lifetime”. Nature Nanotechnology 2019, 14, 1110.

[7] Q. Chen, J. Wu, X. Ou, B. Huang, J. Almutlaq, A. A. Zhumekenov, X. Guan, S. Han, L. Liang, Z. Yi, J. Li, X. Xie, Y. Wang, Y. Li, D. Fan, D. B. L. The, A. H. All, O. F. Mohammed, O. M. Bakr, T. Wu, M. Bettinelli, H. Yang, W. Huang, X. Liu, “All-Inorganic Perovskite Nanocrystal Scintillators”. Nature 2018, 561, 88.
[8] S. Chen, Z. W. Adam, X. Zeng, L. He, X. Wang, Y. Tao, A. J. Huang, Y. Hashimotodani, M. Kano, H. Iwasaki, L. K. Parajuli, S. Okabe., D. B. L. Teh, A. H. All, I. Tsutsui-Kimura, K. F. Tanaka, X. Liu, T. J. McHugh, “Near-Infrared Deep Brain Stimulation via Upconversion Nanoparticle-Mediated Optogenetics”. Science 2018, 359, 679-684.
[9] C. D. S. Brites, X. Xie, M. L. Debasu, X. Qin, R. Chen, W. Huang, J. Rocha, X. Liu, L. D. Carlos, “Instantaneous Ballistic Velocity of Suspended Brownian Nanocrystals Measured by Upconversion Nanothermometry”. Nature Nanotechnology 2016, 11, 851-856.
[10] Z. An, C. Zheng, Y. Tao, R. Chen, H. Shi, T. Chen, Z. Wang, H. Li, R. Deng, X. Liu, W. Huang, “Stabilizing excited triplet state for ultralong organic phosphorescence”. Nature Materials 2015, 14, 685-690.

NUS Webpage

https://chemistry.nus.edu.sg/people/liu-xiaogang/